64 patents
Page 3 of 4
Utility
Guidewire positioning catheter
3 Aug 21
A catheter for positioning a guidewire across an occluded portion of a vessel includes an elongate catheter body, an integrated rotatable distal tip, a proximal handle region, and a catheter lumen extending through the elongate catheter body.
Himanshu N. Patel, John B. Simpson
Filed: 5 Apr 17
Utility
Catheter-based Off-axis Optical Coherence Tomography Imaging System
17 Jun 21
A system for imaging a body lumen includes a controller and a display.
Maegan K. SPENCER, Christopher B. WHITE, Charles W. MCNALL, Dennis W. JACKSON, Michael ZUNG, Nicholas J. SPINELLI, Benjamin NGO, Evangeline LUMABAS, Kin F. CHAN, John F. BLACK, Michael H. ROSENTHAL, John B. SIMPSON
Filed: 30 Jul 20
Utility
Micro-molded anamorphic reflector lens for image guided therapeutic/diagnostic catheters
15 Jun 21
A catheter system for optical coherence tomography includes an elongate catheter body, an optical fiber in the elongate catheter body, and an anamorphic lens assembly coupled with a distal end of the optical fiber.
Himanshu N. Patel, Manish Kankaria, Kin F. Chan
Filed: 25 Feb 20
Utility
Optical coherence tomography with graded index fiber for biological imaging
23 Mar 21
A system for optical coherence tomography includes a source of optical radiation, an optical fiber, and a graded index fiber attached to a distal end of the optical fiber.
Manish Kankaria
Filed: 30 Jan 17
Utility
Occlusion-crossing devices
23 Mar 21
A catheter device for crossing occlusions includes an elongate catheter shaft, a rotatable tip configured to rotate relative to the elongate catheter shaft, a drive shaft, and an OCT imaging sensor.
Richard R. Newhauser, Theodore W. Ketai, Peter H. Smith, Myra L. Fabro
Filed: 16 Apr 18
Utility
Chronic Total Occlusion Crossing Devices with Imaging
18 Mar 21
An imaging device includes a hollow flexible shaft having a central longitudinal axis and an imaging window therein.
Peter H. SMITH, Manish KANKARIA, Priyanshu GUPTA, Nicholas J. SPINELLI, Charles W. MCNALL
Filed: 28 Jul 20
Utility
Occlusion-crossing Devices
4 Mar 21
A catheter system includes a catheter body that includes an outer shaft and a rotatable inner shaft.
Himanshu N. PATEL, Daniel LEONG
Filed: 19 Apr 19
Utility
Optical pressure sensor assembly
2 Mar 21
Optical pressure sensor assemblies that can be used with existing catheters and imaging systems.
Peter H. Smith, Manish Kankaria
Filed: 15 Mar 13
Utility
Micro-molded Anamorphic Reflector Lens for Image Guided Therapeutic/diagnostic Catheters
21 Jan 21
A catheter system for optical coherence tomography includes an elongate catheter body, an optical fiber in the elongate catheter body, and an anamorphic lens assembly coupled with a distal end of the optical fiber.
Himanshu N. PATEL, Manish KANKARIA, Kin F. CHAN
Filed: 25 Feb 20
Utility
Catheter system and method for boring through blocked vascular passages
21 Dec 20
A rotating cutting head catheter for passage through chronic total occlusions or other refractory atherosclerotic plaque from diseased arteries is disclosed.
Himanshu N. Patel, John B. Simpson
Filed: 14 Mar 18
Utility
Identification of elastic lamina to guide interventional therapy
19 Oct 20
Described herein is a system and method for identifying elastic lamina during interventional procedures, such as atherectomy.
John B. Simpson, Xuanmin He, Ryan Radjabi, Richard R. Newhauser
Filed: 15 Nov 18
Utility
Catheter Device with Detachable Distal End
14 Oct 20
An atherectomy catheter includes an elongate catheter body, a cutter at a distal end of the catheter body, and a nosecone attached to a distal end of the catheter body.
Anthony J. FERNANDEZ, Richard R. NEWHAUSER, Himanshu N. PATEL
Filed: 31 May 17
Utility
Atherectomy Catheters and Occlusion Crossing Devices
7 Oct 20
An atherectomy catheter includes an elongate flexible catheter body, a cutter near the distal end of the catheter body, a drive shaft connected to the cutter and extending within the catheter body, an imaging element near the distal end of the catheter body.
Himanshu N. PATEL, John B. SIMPSON, Anthony J. FERNANDEZ, Richard R. NEWHAUSER, Priyanshu GUPTA, Michael ZUNG, Wendy Ngo LAM, Maegan K. SPENCER, Peter Howard SMITH, Stephen C. DAVIES, Nicholas J. SPINELLI, Charles W. MCNALL, Theodore W. KETAI, Manish KANKARIA, Mark W. ASKEW, Kent C.B. STALKER
Filed: 11 Nov 19
Utility
Catheter-based off-axis optical coherence tomography imaging system
3 Aug 20
A system for imaging a body lumen includes a controller and a display.
Maegan K. Spencer, Christopher B. White, Charles W. McNall, Dennis W. Jackson, Michael Zung, Nicholas J. Spinelli, Benjamin Ngo, Evangeline Lumabas, Kin F. Chan, John F. Black, Michael H. Rosenthal, John B. Simpson
Filed: 9 Jul 13
Utility
Chronic total occlusion crossing devices with imaging
27 Jul 20
An imaging device includes a hollow flexible shaft having a central longitudinal axis and an imaging window therein.
Peter H. Smith, Manish Kankaria, Priyanshu Gupta, Nicholas J. Spinelli, Charles W. McNall
Filed: 25 Dec 17
Utility
Optical Coherence Tomography for Biological Imaging
4 Mar 20
Described herein are catheters for use with Optical Coherence Tomography (OCT) that include an optical fiber core having a first refractive index and an interface medium having a second refractive index, where the first and second refractive indexes are mismatched such that receiving electronics configured to receive optical radiation reflected from the reference interface and the target operate in a total noise range that is within 5 dB of the shot noise limit.
John F. BLACK, Maegan K. SPENCER, Michael ZUNG, Charles W. MCNALL, Evangeline LUMABAS, Michael H. ROSENTHAL, John B. SIMPSON
Filed: 8 Jul 19
Utility
High Speed Chronic Total Occlusion Crossing Devices
4 Mar 20
An occlusion crossing device includes an outer shaft, an inner shaft, an optical fiber, and a handle attached to the inner shaft and the outer shaft.
Himanshu N. PATEL, John B. SIMPSON, Ryan RADJABI
Filed: 17 Jul 19
Utility
Atherectomy Catheter
26 Feb 20
Described herein are atherectomy catheters, systems and methods that include longitudinally displaceable drive shafts that drive actuation of one or more cutters at the distal end of the catheter.
Himanshu N. PATEL, John B. SIMPSON, Charles W. McNALL, Maegan K. SPENCER, Michael ZUNG, Priyanshu GUPTA, Nicholas J. SPINELLI, Myra L. FABRO, Eduardo SUCGANG, Theodore W. KETAI
Filed: 1 Jul 19
Utility
Micro-molded anamorphic reflector lens for image guided therapeutic/diagnostic catheters
24 Feb 20
A catheter system for optical coherence tomography includes an elongate catheter body, an optical fiber in the elongate catheter body, and an anamorphic lens assembly coupled with a distal end of the optical fiber.
Himanshu N. Patel, Manish Kankaria, Kin F. Chan
Filed: 12 Jul 16
Utility
Atherectomy catheters devices having multi-channel bushings
24 Feb 20
Atherectomy catheters and methods of using them are described herein.
John B. Simpson, Himanshu N. Patel, Anthony J. Fernandez, Richard R. Newhauser
Filed: 12 Mar 17